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Clinical relevance of serum levels of matrix metallopeptidase-2, and tissue inhibitor of metalloproteinase-1 and -2 in patients with malignant melanoma.

Authors
Type
Published Article
Journal
The Journal of dermatology
Publication Date
Volume
35
Issue
4
Pages
206–214
Identifiers
DOI: 10.1111/j.1346-8138.2008.00446.x
PMID: 18419677
Source
Medline

Abstract

The interaction and/or balance between matrix metallopeptidase (MMP)-2 and tissue inhibitor of metalloproteinase (TIMP)-2 in vivo may play important roles in the process of tumor growth, invasion and metastasis of malignant melanoma. In this study, we investigated the serum levels and immunohistochemical expression of MMP-2, TIMP-1 and TIMP-2 in patients with melanoma and analyzed the correlation with clinicopathological parameters. The level of serum MMP-2 in patients was significantly higher than that of the control. Moreover, the level of MMP-2 was significantly higher than that of the control in patients who were: (i) female; (ii) pT1 and pT4; (iii) with and without lymph node (LN) metastasis; (iv) in stage I and stage IV; (v) with and without recurrence; and (v) alive and dead. The level of serum TIMP-1 in patients with melanoma was significantly higher than that of the control. Among melanoma patients, the level of TIMP-1 with pT4 was significantly higher for patients who were: (i) pT1 and pT3; (ii) with LN metastasis (vs those without); (iii) in stage IV (vs those in stages I, II and III); and (iv) dead (vs those alive). The level of serum TIMP-2 in patients with melanoma was not different from the control. However, the level of TIMP-2 in patients with pT4 was significantly higher than for patients who were: (i) pT1, pT3 and control; (ii) with LN metastasis (vs those without metastasis and control); (iii) with stage IV (vs those in stages I and II and control); (iv) in recurrence (vs control); and (v) dead (vs those alive and control). These results suggest that increased serum levels of TIMP-1 and TIMP-2 reflected the extent of metastatic melanoma lesions, and that serum levels of TIMP-1 may be a new useful marker for melanoma progression.

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